A exajoule (EJ) is a metric-prefixed unit of energy equal to 1018 joules, using the SI exa prefix.
Exajoules to Ronnajoules
Convert Exajoule (EJ) to Ronnajoule (RJ) instantly with an exact formula, conversion table, and FAQ.
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Convert exajoules (EJ) to ronnajoules (RJ) instantly with formula, conversion table, and FAQ.
Context values
Some unit families need one extra value for a physically accurate result.
A ronnajoule (RJ) is a metric-prefixed unit of energy equal to 1027 joules, using the SI ronna prefix.
RJ = EJ × 1.000000000e-09
Results update instantly for Exajoules to Ronnajoules conversions.
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Formula
RJ = EJ × 1.000000000e-09
EJ = RJ × 1000000000
Conversion table
| 1 EJ | 1.000000e-09 RJ |
| 5 EJ | 5.000000e-09 RJ |
| 10 EJ | 1.000000e-08 RJ |
| 20 EJ | 2.000000e-08 RJ |
| 50 EJ | 5.000000e-08 RJ |
| 100 EJ | 1.000000e-07 RJ |
| 500 EJ | 5.000000e-07 RJ |
| 1000 EJ | 0.000001 RJ |
Related conversions
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How the formula works
Both exajoule and ronnajoule measure the same physical quantity, so converting between them is a single multiplication. Multiply a value in exajoules by 1.000000000e-09 to get ronnajoules. To reverse the conversion, multiply a ronnajoule value by 1000000000 to get back to exajoules.
Frequently asked questions
What is Exajoule (EJ)?
A exajoule (EJ) is a metric-prefixed unit of energy equal to 1018 joules, using the SI exa prefix.
What is Ronnajoule (RJ)?
A ronnajoule (RJ) is a metric-prefixed unit of energy equal to 1027 joules, using the SI ronna prefix.
How do I convert exajoules to ronnajoules?
Multiply the exajoule value by 1.000000000e-09 to get the equivalent in ronnajoules. For example, 5 EJ × 1.000000000e-09 = 5.000000e-09 RJ.
Is this conversion exact?
Yes. Both units are defined against the SI base unit for this dimension, so the factor 1.000000000e-09 is an exact, non-rounded value.
Can I convert ronnajoules back to exajoules?
Yes. Divide the ronnajoule value by 1.000000000e-09, or multiply it by 1000000000, to get exajoules.
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About converting exajoules to ronnajoules
A exajoule (EJ) is a metric-prefixed unit of energy equal to 1018 joules, using the SI exa prefix. A ronnajoule (RJ) is a metric-prefixed unit of energy equal to 1027 joules, using the SI ronna prefix.
Use this calculator to move between exajoules and ronnajoules accurately for homework, engineering, billing, or everyday energy calculations. The Universal Converter uses exact unit factors, so results stay consistent across the site.